AirHint found the following cheapest return flights from Montreal (YUL) to London (LGW) in July 2026 (see full year).

Return flights

01 Jul - 08 Jul	Air Transat	direct
14 Jul - 21 Jul	WestJet
16 Jul - 23 Jul	WestJet
22 Jul - 29 Jul	WestJet
15 Jul - 22 Jul	WestJet
21 Jul - 28 Jul	WestJet
23 Jul - 30 Jul	WestJet
28 Jul - 13 Aug	WestJet
28 Jul - 04 Aug	WestJet
29 Jul - 05 Aug	WestJet
30 Jul - 06 Aug	WestJet
24 Jul - 09 Aug	WestJet
19 Jul - 26 Jul	WestJet
26 Jul - 02 Aug	WestJet
08 Jul - 15 Jul	Air Transat	direct
14 Jul - 21 Jul	Air Transat	direct
28 Jul - 04 Aug	Air Transat	direct
28 Jul - 13 Aug	Air Transat	direct
29 Jul - 22 Aug	Air Transat	direct
29 Jul - 05 Aug	Air Transat	direct

Also check the deals for one-way flights from Montreal to London in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Montreal to London in July from $750

Return flights